From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40262) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aLuDh-0006td-1C for qemu-devel@nongnu.org; Wed, 20 Jan 2016 09:58:49 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aLuDd-0003VC-PK for qemu-devel@nongnu.org; Wed, 20 Jan 2016 09:58:48 -0500 Received: from mx1.redhat.com ([209.132.183.28]:50939) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aLuDd-0003V8-Jr for qemu-devel@nongnu.org; Wed, 20 Jan 2016 09:58:45 -0500 Date: Wed, 20 Jan 2016 14:58:39 +0000 From: "Daniel P. Berrange" Message-ID: <20160120145839.GB13215@redhat.com> References: <1451921002-8263-1-git-send-email-stefanb@us.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <1451921002-8263-1-git-send-email-stefanb@us.ibm.com> Subject: Re: [Qemu-devel] [PATCH v5 0/4] Extend TPM support with a QEMU-external TPM Reply-To: "Daniel P. Berrange" List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stefan Berger Cc: mst@redhat.com, qemu-devel@nongnu.org, jb613w@att.com, quan.xu@intel.com, silviu.vlasceanu@gmail.com, hagen.lauer@huawei.com On Mon, Jan 04, 2016 at 10:23:18AM -0500, Stefan Berger wrote: > The following series of patches extends TPM support with an > external TPM that offers a Linux CUSE (character device in userspace) > interface. This TPM lets each VM access its own private vTPM. What is the backing store for this vTPM ? Are the vTPMs all multiplexed onto the host's physical TPM or is there something else going on ? Regards, Daniel -- |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| |: http://libvirt.org -o- http://virt-manager.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|